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ALSA: firewire-lib: remove WARN_ON() at destruction of AMDTP domain 

The destructor of AMDTP domain has WARN_ON() for the list of associated
AMDTP stream. Although this reminds a case that developers forget to
program consumer drivers to stop AMDTP domain, it hits when AMDTP domain
is not initialized yet. This occurs when initialization of sound card
fails as well and it's superfluous.

This commit removes the WARN_ON. Although the API to AMDTP domain does
nothing, it's left for future usage.

Fixes: 3ec3d7a3ff ("ALSA: firewire-lib: add AMDTP domain structure to handle several isoc contexts")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20190906131414.15370-1-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto 2019-09-06 22:14:14 +09:00 committed by Takashi Iwai
parent e6e2fe2b8f
commit 8d0d5c3fa1
1 changed files with 2 additions and 1 deletions
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3
sound/firewire/amdtp-stream.c
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@ -1153,7 +1153,8 @@ EXPORT_SYMBOL_GPL(amdtp_domain_init);
*/
void amdtp_domain_destroy(struct amdtp_domain *d)
{
WARN_ON(!list_empty(&d->streams));
// At present nothing to do.
return;
}
EXPORT_SYMBOL_GPL(amdtp_domain_destroy);